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Green Glossary

Carbon footprint

Every time you turn on a light, drive your car, or charge your cellphone, you are burning fossil fuels that release greenhouse gases (GHG) into the atmosphere. Your carbon footprint is the amount of GHG emissions you are personally responsible for emitting each year, and therefore, represents the impact you have on the environment. Although it is called a “carbon” footprint, it represents all greenhouse gases, from carbon dioxide (CO2) to methane. It is typically measured in units of carbon dioxide. It is useful for individuals, nations, and organizations to conceptualize their personal (or organizational) contribution to global warming.  There are many carbon footprint calculators that allow you to calculate your carbon footprint.